<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  
  </head>
  <body>
    <div id="app">
        <!-- 输入框直接 v-model绑定 字符串数据即可 -->
      <input type="text" v-model.lazy="msg">

      <hr>
      <input type="text" v-model.trim="msg">
      <hr>
      <input type="text" v-model.number="msg">
      <br>
      {{msg}}
     
    </div>
    <script src="./vue.global.js"></script>
    <script>
  
      const { createApp } = Vue;
      const app = createApp({
        data() {
          return {
             msg: '初始值',
            
          };
        }
      });
      app.mount("#app");
    </script>
  </body>
</html>
